A company sells the same product in four different packages at the same price. The sales of each package type for twelve months are listed in the following table. Is there any indication of differences in the mean sales of this brand of product across the various package types? Use a significance level of 0.05. (Please present your ANOVA Table generated by Excel in your technical report.)

Package Sales Package Sales Package Sales Package Sales type type type type 5014 2 5044 3 4944 4 4848 4880 2 5095 3 5029 4 5165 4877 2 5106 3 4914 4 4934 4879 2 5053 3 5087 4 4929 4868 2 5047 3 4887 4 4925 5226 2 5049 3 4992 4 5085 4871 2 4946 3 4897 4 5053 4963 2 4897 3 4975 4 5070 5097 2 4955 3 5183 4 5131 5089 2 4895 3 4953 4 4723 4957 2 5117 3 4960 4 4853 4900 2 5061 3 4942 4 4963